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Habitat Enrichment Causes Changes in Fish Behavioural Characteristics: A Case Study of Sparus latus

文献类型： 外文期刊

作者： Guo, Yu 1 ; Chen, Zhanlong 1 ; Qin, Chuanxin 1 ; Yu, Gang 1 ; Zhang, Jia 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Minist Agr & Rural Affairs, South China Sea Fisheries Res Inst, Key Lab Marine Ranching, Guangzhou 510300, Peoples R China

2.Natl Agr Expt Stn Fishery Resources & Environm Dap, Shenzhen 518121, Peoples R China

3.Hainan Seed Ind Lab, Sanya 572025, Peoples R China

关键词： habitat enrichment; behavioural characteristics; artificial reefs; Sparus latus

期刊名称：BIOLOGY-BASEL （ 影响因子：3.6； 五年影响因子：3.8 ）

ISSN：

年卷期： 2024 年 13 卷 6 期

页码：

收录情况： SCI

摘要： To better understand the habitat preferences and behavioural ecology of Sparus latus, we performed an experiment using box-shaped reefs as habitat enrichment materials, allowing us to determine the behavioural strategies and drivers involved in the response to different enrichment structures. The results showed that the first contact time of S. latus was negatively correlated (Pearson's correlation, p < 0.005) with the distribution rate in the artificial reef area. Enrichment structures affected the habitat preferences of S. latus, and there was a significant difference in the average distribution rate between the control and treatment groups (Adonis, p < 0.001). The opening ratio (Adonis, R-2 = 0.36) explained the distribution difference of S. latus better than the opening shape (Adonis, R-2 = 0.12). In the absence of an enrichment structure, S. latus remained more active during the daytime, exhibiting poor clustering, while in the presence of an enrichment structure, S. latus exhibited clustered movement at night. The opening ratio was negatively correlated with the average interindividual distance (Spearman's correlation, p < 0.01) and showed a significant positive correlation with the average distribution rate in the reef area (Spearman's correlation, p < 0.001), indicating that the reef opening ratio significantly affected the reef-tropism and clustering behaviours of S. latus. The light intensity was negatively correlated with the average distance moved, and the average speed (Spearman's correlation, p < 0.05) was significantly positively correlated with the reef first contact time (Spearman's correlation, p < 0.001), indicating that the light intensity affected the exploration and activity patterns of S. latus. These results provide a research basis for analysing the pattern and process of fish proliferation induced by artificial reef habitats.

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